Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Barrett Bros & Burston Co
Original Assignee
Barrett Bros & Burston Co
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Barrett Bros & Burston CofiledCriticalBarrett Bros & Burston Co
Publication of FR2194775A1publicationCriticalpatent/FR2194775A1/fr
Application grantedgrantedCritical
Publication of FR2194775B1publicationCriticalpatent/FR2194775B1/fr